Communications: electrical – Vehicle position indication – Map display
Patent
1996-10-29
2000-11-07
Lee, Benjamin C.
Communications: electrical
Vehicle position indication
Map display
340988, 340990, 701202, 701209, G08G 1123
Patent
active
061443182
ABSTRACT:
A navigation system provides road guidance by displaying information relating to roads on a structure shape map, together with landmark information, in such a manner that only information around the present position is highlighted. The system retrieves road information in the direction of travel from the present position according to the vehicle speed, or road information within a predetermined angular or distance range in the direction of travel. Information relating to roads includes information indicating a one-way road, information indicating a road into which entry is prohibited, and information indicating a pedestrian crossing and a railroad crossing. These items of information are displayed by using marks, and the landmark information is displayed by using landmarks, thereby displaying information necessary for travel in a readily perceivable manner according to the travel conditions. When the vehicle enters a parking lot in the middle of the guidance for a route to a destination, the system searches for a route from the parking lot to the destination and outputs the found route by using a structure-shape map. The parking lot in this case is one within a predetermined walking distance from the destination. If the parking lot is in close proximity of the destination, further guidance is not necessary and the guidance is terminated.
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Hayashi Seiji
Hayashida Kihachi
Ito Yasunobu
Nimura Mitsuhiro
Aisin Aw Co. Ltd.
Lee Benjamin C.
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